The first sentence, the last sentence, who said that in the middle, and how to use punctuation?

Between the speaker's name and the prompt, the use of punctuation marks: put double quotation marks before and after the prompt, and put commas after the prompt.

Tips are in front of the speech, followed by colons and quotation marks. When the speech is finished, punctuation marks and quotation marks should be added to indicate the end.

Extended data:

The use of punctuation marks in tips

These four forms are summarized as follows:

1. The speaker's name and tips come first, and the content of the speech comes last. This method is the most commonly used form of text dialogue.

2, the speaker's name and tips in the back, the content of the speech in the front. Using this form of dialogue can emphasize the content of the speech. Double quotation marks first, and a period after the prompt.